(Loss) Income Per Share (Details) $ / shares in Units, $ in Thousands			3 Months Ended				12 Months Ended
	Apr. 18, 2019 shares	Apr. 10, 2019 shares	Mar. 03, 2018 $ / shares	Dec. 02, 2017 $ / shares	Sep. 02, 2017 $ / shares	Jun. 03, 2017 $ / shares	Mar. 02, 2019 USD ($) $ / shares shares	Mar. 03, 2018 USD ($) $ / shares shares	Mar. 04, 2017 USD ($) $ / shares shares
Numerator:
(Loss) income from continuing operations attributable to common stockholders-basic and diluted | $							$ (666,954)	$ (349,532)	$ 4,080
Income (loss) from discontinued operations attributable to common stockholders-basic and diluted | $							244,741	1,293,002	(27)
(Loss) income attributable to common stockholders-basic and diluted | $							$ (422,213)	$ 943,470	$ 4,053
Denominator:
Basic weighted average shares | shares							52,854,000	52,481,000	52,221,000
Outstanding options and restricted shares, net (in shares) | shares									820,000
Diluted weighted-average shares | shares							52,854,000	52,481,000	53,041,000
Basic (loss) income per share:
Continuing operations | $ / shares			$ (9.18)	$ (0.35)	$ 3.59	$ (0.69)	$ (12.62)	$ (6.66)	$ 0.08
Discontinued operations | $ / shares			23.74	1.90	(0.33)	(0.75)	4.63	24.64	0.00
Net basic (loss) income per share | $ / shares			14.56	1.55	3.26	(1.44)	(7.99)	17.98	0.08
Diluted (loss) income per share:
Continuing operations | $ / shares			(9.18)	(0.35)	3.53	(0.69)	(12.62)	(6.66)	0.08
Discontinued operations | $ / shares			23.74	1.90	(0.33)	(0.75)	4.63	24.64	0.00
Net diluted (loss) income per share | $ / shares			$ 14.56	$ 1.55	$ 3.20	$ (1.44)	$ (7.99)	$ 17.98	$ 0.08
Reverse stock split
Reverse stock split ratio							1
Reverse stock split, 1-for-20
Reverse stock split
Reverse stock split ratio		0.05
Change in authorized shares due to reverse stock split | shares	75,000	1,500,000
Stock options
Antidilutive securities excluded from computation of income per share
Shares excluded from the computation of diluted income per share | shares							1,036,000	374,000	160,000
Restricted shares
Antidilutive securities excluded from computation of income per share
Shares excluded from the computation of diluted income per share | shares							1,008,000	610,000	0